Home / 80,340.68-120,510.38-24,180.54

Finding the Fourth Proportional to 80,340.68, 120,510.38 and 24,180.54

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Solution

The fourth proportional to 80,340.68, 120,510.38 and 24,180.54 is: 36,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,340.68 : 120,510.38 = 24,180.54 : x
  2. Step 2: Convert to fraction form
    80,340.68/120,510.38 = 24,180.54/x
  3. Step 3: Cross multiply
    80,340.68x = 120,510.38 × 24,180.54
  4. Step 4: Simplify right side
    80,340.68x = 2,914,006,124.46
  5. Step 5: Solve for x
    x = 2,914,006,124.46/80,340.68
  6. Step 6: Final answer
    x = 36,270.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.